206086378 has 8 divisors (see below), whose sum is σ = 309444480. Its totient is φ = 102938220.

The previous prime is 206086333. The next prime is 206086381. The reversal of 206086378 is 873680602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 206086378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50008 + ... + 53971.

It is an arithmetic number, because the mean of its divisors is an integer number (38680560).

Almost surely, 2^206086378 is an apocalyptic number.

206086378 is a deficient number, since it is larger than the sum of its proper divisors (103358102).

206086378 is a wasteful number, since it uses less digits than its factorization.

206086378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104972.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 206086378 is about 14355.7088992498. The cubic root of 206086378 is about 590.6765942928.

The spelling of 206086378 in words is "two hundred six million, eighty-six thousand, three hundred seventy-eight".